Finding the Third Proportional to 1,339.31 and 2,763.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.31 : 2,763.94 = 2,763.94 : x
2. Step 2: Convert to fraction form
   1,339.31/2,763.94 = 2,763.94/x
3. Step 3: Cross multiply
   1,339.31x = 2,763.94 × 2,763.94
4. Step 4: Simplify right side
   1,339.31x = 7,639,350.50
5. Step 5: Solve for x
   x = 7,639,350.50/1,339.31
6. Step 6: Final answer
   x = 5,703.93